Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M1/00—Substation equipment, e.g. for use by subscribers
  • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
  • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
  • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
  • H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C67/00—Preparation of carboxylic acid esters
  • C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
  • C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
  • C07C69/78—Benzoic acid esters
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
  • C08K5/00—Use of organic ingredients
  • C08K5/04—Oxygen-containing compounds
  • C08K5/10—Esters; Ether-esters
  • C08K5/101—Esters; Ether-esters of monocarboxylic acids
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
  • C08K5/00—Use of organic ingredients
  • C08K5/04—Oxygen-containing compounds
  • C08K5/10—Esters; Ether-esters
  • C08K5/101—Esters; Ether-esters of monocarboxylic acids
  • C08K5/103—Esters; Ether-esters of monocarboxylic acids with polyalcohols
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
  • H04W4/12—Messaging; Mailboxes; Announcements
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
  • C08K2201/00—Specific properties of additives
  • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
  • H04M2201/34—Microprocessors
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
  • H04M2201/36—Memories
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M2250/00—Details of telephonic subscriber devices
  • H04M2250/06—Details of telephonic subscriber devices including a wireless LAN interface

Definitions

• the present invention relates to a novel triethyleneglycol based compound and a plasticizer composition for polyvinyl chloride resin including the same, and more particularly, to a triethyleneglycol ester based plasticizer composition that is used to prepare a polyvinyl chloride resin having low heating loss, excellent adhesion, high plasticization efficiency, high elongation, high tensile strength, and high transparency.
• Polyvinyl chloride resins are homopolymers of vinyl chloride monomers or copolymers containing 50% or more of vinyl chloride, and are widely used resins preferably manufactured by extrusion molding, injection molding, calendaring, etc. Polyvinyl chloride resins are used in a wide range of applications, such as pipes, electric wires, electrical and mechanical products, toys, films, sheets, artificial leathers, tarpaulin, tapes, food packaging, and medical products, all of which can be manufactured using the methods described above. Polyvinyl chloride resins may have various properties depending on additives such as plasticizers, stabilizesr, fillers, pigments, etc, added in a proper ratio thereto.
• Plasticizers added to polyvinyl chloride resins are necessarily used to provide workability, flexibility, electric insulation, adhesiveness, etc. to the polyvinyl chloride resins.
• plasticizers include phthalates, adipates, and trimellitates.
• phthalates such as di-ethylhexyl phthalate (DEHP), di-butyl phthalate (DBP), di-isodecyl phthalate (DIDP), butyl benzyl phthalate (BBP), and di-isononyl phthalate (DINP)
• adipates such as di-2-ethylhexyl adipate (DEHA) are commonly used.
• cling film which is widely used in household applications, requires properties of elongation, adhesiveness, transparency, and low heating loss.
• transparency is required such that food packaged can be directly seen with naked eyes
• elongation is required such that food can be well packed
• adhesiveness is required such that the cling film is not separated from food wrapped in the cling film.
• low heating loss is required to decrease the amount of gas generated during a manufacturing process and to increase the product yield.
• a single-component triethyleneglycol ester for example, an ester synthesized by reacting triethyleneglycol with only 2-ethylhexanoic acid as an aliphatic acid or a benzoic acid, its miscibility with respect to polyvinyl chloride resin decreases during cling film manufacturing processes.
• a single component triethyleneglycol ester cannot be used as a plasticizer for a polyvinyl chloride resin, but is suitable for a lubricating oil and other use.
• a polyvinyl chloride resin to which the plasticizer ester is add exhibits high hardness, low transparency, and low elongation; and when a single-component ester synthesizing by reacting triethyleneglycol with 2-ethylhexanoic acid is used, a polyvinyl chloride resin to which the plasticizer ester is added exhibits high workability but low elongation, low adhesion, and low transparency.
• a polyvinyl chloride resin to which the plasticizer composition is added may exhibit different properties according to the kind and composition of a carboxylic acid and alcohol used in the manufacturing process.
• the present invention provides a novel triethyleneglycol based compound.
• the present invention also provides a plasticizer composition containing the novel triethyleneglycol based compound.
• the present invention also provides a method of preparing the plasticizer composition.
• the present invention also provides a polyvinyl chloride resin containing the plasticizer composition.
• the present invention also provides a cling film used for food packaging including the plasticizer composition.
• a triethyleneglycol based compound represented by formula 1: R 1 OCO-(CH 2 ) 2 -O-(CH 2 ) 2 -O-(CH 2 ) 2 -OCOR 2 ...(1) where R 1 is a C3-C12 alkyl group and R 2 is a C6-C10 aryl group.
• a plasticizer composition including a compound represented by formula 1.
• the plasticizer composition may further include a compound represented by formula 2 and a compound represented by formula 3: R 3 OCO-(CH 2 ) 2 -O-(CH 2 ) 2 -O-(CH 2 ) 2 -OCOR 4 ...(2) R 5 OCO-(CH 2 ) 2 -O-(CH 2 ) 2 -O-(CH 2 ) 2 -OCOR 6 ...(3) where R 3 and R 4 are each independently a C3-C12 alkyl group, and R 5 and R 6 are each independently C6-C10 aryl group.
• a method of preparing a plasticizer composition including reacting a mixture of 10-40 wt% of triethyleneglycol, 1-80 wt% of C3-C12 aliphatic acid, 1-60 wt% of a C6-C10 aromatic acid, and 0.001-3 wt% of a catalyst.
• a polyvinyl chloride resin including the plasticizer composition.
• a wrap film that is used in food packaging, including the plasticizer composition.
• a triethyleneglycol based compound according to an embodiment of the present invention is represented by formula 1: R 1 OCO-(CH 2 ) 2 -O-(CH 2 ) 2 -O-(CH 2 ) 2 -OCOR 2 ...(1) where R 1 is a C3-C12 alkyl group and R 2 is a C6-C10 aryl group.
• the triethyleneglycol based compound represented by formula 1 can be prepared by reacting a mixture of 10-40 wt% of triethyleneglycol, 1-80 wt% of C3-C12 aliphatic acid, 1-60 wt% of a C6-C10 aromatic acid, and 0.001-3 wt% of a catalyst using a method that is well known to a person having ordinary skill in the art.
• the reactor may be a batch reactor, a mixed flow reactor, or a tubular reactor. However, the reactor is not limited thereto.
• This reaction is known as esterification and may be performed at 100-300°C for 4-10 hours.
• the reaction temperature is in the range of 100°C-300°C, the esterification product generated from the reaction does not decompose and a high reaction rate can be obtained.
• the reaction time is in the range of 4-10 hours, a high conversion rate and high yield can be obtained and the desired product can be prepared at low costs.
• the mixture may further include 1-10 wt% of an entrainer.
• the entrainer is an assistant substance that discharges H 2 O generated as a by-product of the esterification to the outside. The removal of the H 2 O generated contributes to a shift of the reaction equilibrium to the desired products because the reverse reaction of the esterification occurs less according to the Le Chatelier principle. Accordingly, use of the entrainer results in an increase of the yield of a desired product.
• the entrainer can be an organic solvent, such as n-hexane, toluene, xylene; or an inert gas such as nitrogen gas.
• the entrainer can be toluene, xylene, or inert gas.
• the entrainer is not limited to these materials described above.
• the catalyst promotes the esterification.
• the catalyst include an acidic catalyst, such as sulfuric acid, hydrochloric acid, phosphoric acid, nitric acid, paratoluenesulfonic acid, methanesulfonic acid, alkyl sulfuric acid, or the like; a metal salt, such as aluminum lactate, lithium fluoride, potassium chloride, cesium chloride, calcium chloride, ferric chloride, aluminum phosphate, or the like; a metal oxide, such as heteropoly acid, or the like; natural/synthesis zeolite; cationic and anionic exchange resin; and an organic metal, such as tetraalkyltitanate, a polymer thereof, or the like.
• the catalyst can be a paratoluenesulfonic acid or a tetraisopropyltitanate.
• the catalyst is not limited thereto.
• the post treatment required after the esterification is completed is not limited.
• an unreacted reactant material is removed through vacuum distillation, and then a neutralizing reaction is performed using a base solution, such as a NaOH aqueous solution.
• a base solution such as a NaOH aqueous solution.
• the neutralization product is washed using water and selectively dehydrated under reduced pressure, and then an adsorbent is added thereto and then filtered.
• a plasticizer composition can be obtained.
• the post treatment is not limited thereto.
• reaction product obtained using the processes described above include, in addition to the compound of formula 1, compounds of formula 2 and formula 3: R 2 OCO-(CH 2 ) 2 -O-(CH 2 ) 2 -O-(CH 2 ) 2 -OCOR 4 ...(2) R 5 OCO-(CH 2 ) 2 -O-(CH 2 ) 2 -O-(CH 2 ) 2 -OCOR 6 ...(3) where R 3 and R 4 are each independently a C3-C12 alkyl group, and R 5 and R 6 are each independently a C6-C10 aryl group.
• the compound of formula 1 should be separated from the reaction product containing the compounds of formulae 1 through 3.
• the separation method can be any method that is well known in the art, and is not limited.
• the compound of formula 1 can be separated using column chromatography.
• An adsorbent used as a stationary phase can be Al 2 O 3 , SiO 2 , charcoal, MgSiO 2 , or the like, all of which are well known in the art.
• the adsorbent can be a silica gel.
• the adsorbent is not limited to these materials.
• a mobile phase can be an organic solvent, such as n-hexane, ethylacetate, chloroform, or toluene, which is well known in the art.
• the mobile phase is n-hexane or ethylacetate.
• the mobile phase is not limited to these materials described above.
• a mobile phase having a proper polarity obtained by mixing a mobile phase having high polarity and a mobile phase having low polarity in a proper mixture ratio is used.
• R 1 may be a 1-ethyl pentyl group
• R 2 may be a phenyl group.
• R 1 and R 2 are not limited thereto.
• a plasticizer composition according to an embodiment of the present invention includes the compound of formula 1. Inventors of the present invention found that a polyvinyl chloride product prepared using a plasticizer composition containing the compound of formula 1 exhibits lower heating loss, excellent adhesion, and higher plasticization efficiency than a polyvinyl chloride product prepared using a conventional plasticizer composition.
• a plasticizer composition containing the compound of formula 1 can be prepared using any method that is well known to a person having ordinary skill in the art by adding the compound of formula 1.
• the amount of the compound of formula 1 may be in the range of 0.1 wt%-99.5 wt%, preferably 5 wt%-85 wt%, more preferably 15 wt%-70 wt%, and most preferably 30 wt%-60 wt%, based on the entire amount of the plasticizer composition.
• the compound of formula 1 is less than 0.1 wt% based on the entire amount of the plasticizer composition, the excellent physical properties of the composition obtainable by containing the compound of formula 1, such as low heating loss, high adhesion, and high plasticization efficiency cannot be obtained.
• the compound of formula 1 when the compound of formula 1 is more than 99.5 wt% based on the entire amount of the plasticizer composition, thermal stability, migration resistance, and adhesiveness of a polyvinyl chloride product to which the plasticizer composition is added decrease.
• the plasticizer composition including the compound of formula 1 is more than 99.5 wt% based on the entire amount of the plasticizer composition, thermal stability, migration resistance, and adhesiveness of a polyvinyl chloride product to which the plasticizer composition is added decrease.
• R may be 1-ethyl pentyl group and R 2 may be a phenyl group.
• R 1 and R 2 are not limited thereto.
• a plasticizer composition according to another embodiment of the present invention may further include triethyleneglycol esters represented by formulae 2 and 3: R 3 OCO-(CH 2 ) 2 -O-(CH 2 ) 2 -O-(CH 2 ) 2 -OCOR 4 ... (2) R 5 OCO-(CH 2 ) 2 -O-(CH 2 ) 2 -O-(CH 2 ) 2 -OCOR 6 ...(3) where R 3 and R 4 are each independently a C3-C12 alkyl group, and R 5 and R 6 are each independently a C6-C10 aryl group.
• a polyvinyl chloride product prepared using a plasticizer composition containing the triethyleneglycol esters of formulae 2 and 3 exhibits lower heating loss, excellent adhesion, and higher plasticization efficiency than a polyvinyl chloride product prepared using a conventional plasticizer composition.
• the compounds of formulae 2 and 3 can be prepared using the method of preparing the compound of formula 1.
• the plasticizer composition containing the compounds of formulae 2 and 3 can be prepared using any method that is well known to a person having ordinary skill in the art. However, the preparing method is not limited.
• the amount of the compounds of formulae 1 through 3 may be in the range of 0.1 wt%-99.5 wt%, preferably 5 wt%-85 wt%, more preferably 15 wt%-70 wt%, and most preferably 30 wt%-60 wt%, based on the entire amount of the plasticizer composition.
• the amount of the compounds of formulae 1 through 3 is less than 0.1 wt% of the plasticizer composition, the physical properties, such as high adhesion, high plasticization efficiency, and high elongation, of the composition obtainable by containing the compounds of formulae 1 through 3 cannot be obtained.
• the amount of the compounds of formulae 1 through 3 is greater than 99.5 wt% of the plasticizer composition, a polyvinyl chloride product to which the plasticizer composition is added exhibits low thermal stability, low migration resistance, and lower heating loss.
• R 1 R 3 , and R 4 may be a C4-C10 alkyl group. However, R 1 R 3 , or R 4 is not limited thereto.
• a plasticizer composition according to an embodiment of the present invention includes (a) 10-80 wt% of the compound of formula 1, (b) 10-80 wt% of the compound of formula 2, and (c) 0-60 wt% of the compound of formula 3.
• a polyvinyl chloride product to which the plasticizer composition is added has high heating loss, low adhesiveness, and low plasticization efficiency.
• the amount of the compound of formula 1 is greater than 80 wt%, a polyvinyl chloride product to which the plasticizer composition is added has low thermal stability, low migration resistance, and low adhesiveness.
• the amount of the compound of formula 2 is less than 10 wt%, a polyvinyl chloride product to which the plasticizer composition is added has low adhesiveness, low plasticization efficiency, and low elongation.
• a polyvinyl chloride product to which the plasticizer composition is added has low thermal stability, low migration resistance, and high heating loss.
• the amount of the compound of formula 3 is greater than 60 wt%, the plasticization efficiency of a polyvinyl chloride product to which the plasticizer composition is added decreases significantly and the liquid phase is crystallized to be hardened.
• the amount of the compound of formula 1 can be in the range of 20-65 wt%, and preferably 30-55 wt%; the amount of the compound of formula 2 can be 20-65 wt%, and preferably 30-55 wt%; and the amount of the compound of formula 3 can be in the range of 1-40 wt%, and preferably 5-20 wt%.
• the plasticizer composition described above can be prepared by reacting a mixture of (i) 10-40 wt% of triethyleneglycol, (ii) 1-80 wt% of C3-C12 aliphatic acid, (iii) 1-60 wt% of C6-C10 aromatic acid, and (iv) 0.001-3 wt% of a catalyst using a method that is known to a person having ordinary skill in the art.
• the reactor may be a batch reactor, a mixed flow reactor, or a tubular reactor. However, the reactor is not limited thereto.
• the amounts of the triethyleneglycol, the aliphatic acid, and the aromatic acid are outside these ranges, it is difficult to prepare a plasticizer composition having a desired mixture ratio.
• the amount of the catalyst is less than 0.001 wt%, a reaction catalyzing effect does not occur.
• the amount of the catalyst is greater than 3 wt%, the reactant solution becomes discolored.
• This reaction is an esterification process, and may be performed at 100-300°C for 4-10 hours.
• the reaction temperature is less than 100°C, the reaction occurs very slowly so that the reaction product is inefficiently produced.
• the reaction temperature is higher than 300°C, the reaction product decomposes and is discolored.
• the reaction time is less than 4 hours, an insufficient reaction occurs, and thus, the conversion is low and the product yield is small.
• the reaction time is greater than 10 hours, the reaction almost reaches an equilibrium conversion rate and thus further reaction hardly takes place.
• the reaction mixture may further include 1-10 wt% of entrainer.
• the entrainer can be an organic solvent, such as n-hexane, toluene, xylene; or an inert gas such as nitrogen gas.
• the entrainer can be n-hexane, toluene, xylene, or inert gas.
• the entrainer is not limited to these materials described above.
• the catalyst promotes the esterification reaction.
• the catalyst include an acidic catalyst, such as sulfuric acid, hydrochloric acid, phosphoric acid, nitric acid, paratoluenesulfonic acid, methanesulfonic acid, alkyl sulfuric acid, or the like; a metal salt, such as aluminum lactate, lithium fluoride, potassium chloride, cesium chloride, calcium chloride, ferric chloride, aluminum phosphorate, or the like; a metal oxide, such as heteropoly acid, or the like; natural/synthesis zeolite; cationic and anionic exchange resin; and an organic metal, such as tetra alkyl titanate, a polymer thereof, or the like.
• the catalyst can be a paratoluenesulfonic acid or a tetraisopropyltitanate.
• the catalyst is not limited thereto.
• the post treatment required after the completion of the esterification reaction is not limited.
• an unreacted reactant material is removed through vacuum distillation, and then a neutralizing reaction is performed using a base solution, such as a NaOH aqueous solution.
• a base solution such as a NaOH aqueous solution.
• the neutralization product is washed using water and selectively dehydrated under reduced pressure, and then an adsorbent is added thereto and then filtered.
• a plasticizer composition can be obtained.
• the post treatment is not limited thereto.
• a polyvinyl chloride resin using the plasticizer composition of the present invention as a plasticizer according to an embodiment of the present invention exhibits low heating loss, excellent adhesiveness, and high plasticization efficiency.
• a method of preparing a polyvinyl chloride resin using the plasticizer composition as a plasticizer is not limited, and any method that is well known in the art can be used.
• Hardness was measured to qualify plasticization efficiency. Based on ASTM D2240, a needle of a hardness tester (A type) was completely contacted to one site of a sample and after 5 minutes a hardness value was read. Five sites of respective samples were measured and their respective average values were obtained. The hardness was measured directly after the sample preparation and one day after the sample preparation.
• a haze value of a sample was measured using a haze meter directly after the sample preparation.
• a cling film sample was manufactured, and after 7 days the cling film sample was measured with naked eyes to compare a cling film sample prepared using a di-2-ethylhexyladipate (DEHA) that is a standard plasticizer.
• DEHA di-2-ethylhexyladipate
• the results are estimated as 'better', 'equal', and 'worse'.
• the expression of 'better' indicates that the cling film sample exhibits better transparency than the cling film sample prepared using the standard plasticizer.
• 'equal' indicates that the cling film sample exhibits the equivalent transparency as the cling film sample prepared using the standard plasticizer.
• 'worse' indicates that the cling film sample exhibits worse transparency than the cling film sample prepared using the standard plasticizer.
• triethyleneglycol ester based plasticizer composition 2.5 mol of triethyleneglycol, 5.25 mol of 2-ethylhexanoic acid, 2.25 mol of benzoic acid, 60 g of xylene as an entrainer, and 1.5 g of tetraisopropyltitanate as a catalyst were added to a 2L 4-neck round flask having a stirrer and a condenser, the temperature was increased to 220°C, and then the mixture was reacted for 6 hours.
• the flask was depressurized to a pressure of 1 mmHg at 220°C using a vacuum pump to remove an un-reacted acid, and then a neutralizing reaction was performed using 10 wt% NaOH aqueous solution.
• the neutralization product was washed using water and dehydrated, and an adsorbent was added thereto and filtered. As a result, a triethyleneglycol ester mixture was obtained.
• the obtained triethyleneglycol ester mixture was analyzed, and the composition was found to be 45 wt% of 2-(2-(2-(2-ethylhexanoyloxy)ethoxy)ethoxy)ethyl 2-ethylhexanoate, 45 wt% of 2-(2-(2-phenylcarbonyloxyethoxy)ethoxy)ethyl 2-ethylhexanoate, and 9 wt% of 2-(2-(2-phenylcarbonyloxyethoxy)ethoxy)ethylbenzoate were obtained.
• a sample was prepared based on ASTM D638. That is, 100 parts by weight of polyvinyl chloride (produced by LG Chemical Co., product name: LS 100S) was blended with 36 parts by weight of the obtained triethyleneglycol ester mixture as a plasticizer, 14 parts by weight of an epoxy soybean oil (produced by Shindongbang Co.), 2 parts by weight of KA-901 produced by Japanese Rinken Vitamin Co. as a glycol based antifogging agent, and 1.2 parts by weight of LTX-630P produced by Korea Daehyup Co., Ltd.
• the antifogging agent is an additive that prevents condensation of water vapor or the like on a cling film surface and thereby formation of haze thereby.
• a triethyleneglycol ester based plasticizer composition was prepared in the same manner as in Example 1, except that amounts of the reactant materials used were changed as shown in Table 1.
• the obtained triethyleneglycol ester mixture was analyzed and the composition was found to be 30 wt% of 2-(2-(2-(2-ethylhexanoyloxy)ethoxy)ethoxy)ethyl 2-ethylhexanoate, 52 wt% of 2-(2-(2-phenylcarbonyloxyethoxy)ethoxy)ethyl 2-ethylhexanoate, and 18 wt% of 2-(2-(2-phenylcarbonyloxyethoxy)ethoxy)ethylbenzoate were obtained.
• Example 2 a sample was prepared using the triethyleneglycol ester based plasticizer composition obtained above in the same manner as in Example 1. The same test as in Example 1 was performed on the prepared sample. The results are shown in Table 2.
• a triethyleneglycol ester based plasticizer composition was prepared in the same manner as in Example 1, except that amounts of the reactant materials used were changed as shown in Table 1.
• the obtained triethyleneglycol ester mixture was analyzed and the composition was found to be 82 wt% of 2-(2-(2-(2-ethylhexanoyloxy)ethoxy)ethoxy)ethyl 2-ethylhexanoate, 15 wt% of 2-(2-(2-phenylcarbonyloxyethoxy)ethoxy)ethyl 2-ethylhexanoate, and 1 wt% of 2-(2-(2-phenylcarbonyloxyethoxy)ethoxy)ethylbenzoate were obtained.
• Example 2 a sample was prepared using the triethyleneglycol ester based plasticizer composition in the same manner as in Example 1. The same test as in Example 1 was performed on the prepared sample. The results are shown in Table 2.
• Example 2 A sample was prepared in the same manner as in Example 1, except that di-2-ethylhexyladipate (produced by LG Chemical Co., Ltd., product name: DOA), which is most commonly used to form cling film, was used as a plasticizer. The same test as in Example 1 was performed on the prepared sample. The results are shown in Table 2.
• Example 2 A sample was prepared in the same manner as in Example 1, except that diisononyladipate (produced by LG Chemical Co., Ltd., product name: DINA), which is commonly used to form cling film, was used as a plasticizer. The same test as in Example 1 was performed on the prepared sample. The results are shown in Table 2.
• Example 2 A sample was prepared in the same manner as in Example 1, except that LGflex EBNW (produced by LG Chemical Co., Ltd.), which is an environmentally friendly plasticizer used in food packaging, was used as a plasticizer. The same test as in Example 1 was performed on the prepared sample. The results are shown in Table 2.
• Example 2 A sample was prepared in the same manner as in Example 1, except that acetylmonoglyceride (produced by Il Shin Petrochemistry Co., Ltd, product name: SOLFA-AM-GT90) was used as a plasticizer. The same test as in Example 1 was performed on the prepared sample. The results are shown in Table 2.
• Example 1 Example 2
• Example 3 Reactant Materials triethyleneglycol( mol) 2.50 2.50 2.53 2-ethylhexanoic acid (mol) 5.25 3.75 7.00 benzoic acid(mol) 2.25 2.75 0.50 xylene (g) 60 60 60 tetraisopropyltitanate (g) 1.5 1.5 1.5 Table 2 Section Example 1
• Example 2 Example 3 Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4
• Tensile Strength (kg f / mm 2 ) 2.13 2.20 2.05 1.87 2.01 2.02 2.10 Elongation (%) 414 413 389 387 421 354 413 Heating Loss (wt%) 1.66 1.30 1.26 2.81 1.58 4.21 4.17 Hardness
• Transparency 13.7 15.6 15.1 10.7 11.8 22.1 13.5 after 7 days better equal equal equal
• the samples prepared using a plasticizer composition according to an embodiment of the present invention prepared according to Examples 1 through 3 exhibited lower heating loss, excellent adhesion, higher transparency, and higher elongation than the samples prepared according to Comparative Examples 1, 3, and 4.
• the samples prepared according to Examples 1 through 3 exhibited lower heating loss and excellent adhesiveness.
• a polyvinyl chloride resin prepared using a triethyleneglycol ester based plasticizer composition according to the present invention as a plasticizer has lower heating loss, excellent adhesion, high plasticization efficiency, high elongation, high tensile strength, and high transparency.

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